六级练习2013.10.19
[audio]http://sound.yywz123.com/tingbbs/cet6/cet620131019.mp3[/audio]Dr. Faustick has cleaned his teeth after meal for thirteen years and has not had a single decayed tooth. He pointed out that sugar is a major agent in dental decay. Particularly the sugar in sweets, cakes, and soft drinks. Ideally you should keep a tooth brush in your pocket and (1)_________________________.
When this is impractical you can at least make sure that you have a drink of water and let the water through your teeth to force out any particles of food. (2)________________________by the time they are fifty. Many have a complete set of false teeth by that time. In any case neither toothache nor a visit to a dentist is very pleasant. So it is worthwhile making an effort to keep you own teeth as long as possible. (3)___________________________.
**** Hidden Message ***** use it immediately after you have finished eating
seven out ten people lose at least half of their teeth by the time they are 50.
the main prevented agent is simply water. 1. use it immediately after you have finished eating
2. 7 out of 10 people loose at least half of their teeth
3. the main prevented agent is simply water use it immediately after you have finished eating
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